#include <stdio.h>

#define BIRD_NAME_LEN 20

typedef struct birdTag
{
    int id; // like person's ID, can not be changed when he was born
    char name[BIRD_NAME_LEN];
}Bird;

int main()
{
    Bird bird;

    // Jessica was born
    bird.id = 1;
    sprintf(bird.name, "Jessica");

    // print jessica's info
    printf("A new bird was born:\n");
    printf("It's id is %d\n", bird.id);
    printf("It's name is %s\n", bird.name);

    return 0;
}